Concealment mantle clock



FIG. 1 is a rear elevation view of a concealment mantle clock showing my new design shown with a rear panel in an open position;

FIG. 2 is a rear elevation view thereof shown with a rear panel in a closed position;

FIG. 3 is a right elevation view thereof shown with a rear panel in the open position;

FIG. 4 is a top plan view thereof shown with a rear panel in the open position;

FIG. 5 is a bottom plan view thereof shown with a rear panel in the open position;

FIG. 6 is rear isometric view thereof shown with a rear panel in the open position for clarity; and,

FIG. 7 is a front isometric view thereof.

The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a concealment mantle clock, as shown and described. 